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Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells

  • Authors:
    • Kazutaka Iijima
    • Hajime Nakamura
    • Kohichi Takada
    • Naotaka Hayasaka
    • Tomohiro Kubo
    • Yui Umeyama
    • Satoshi Iyama
    • Koji Miyanishi
    • Masayoshi Kobune
    • Junji Kato
  • View Affiliations / Copyright

    Affiliations: Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido 060-8543, Japan, Department of Hematology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido 060-8543, Japan
    Copyright: © Iijima et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 546
    |
    Published online on: May 24, 2021
       https://doi.org/10.3892/ol.2021.12807
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Abstract

Six‑transmembrane epithelial antigen of the prostate 1 (STEAP1) has emerged as an ideal target in cancer therapeutics. However, the functions of STEAP1 in liver cancer remain unexplored. The current study aimed to characterize the biological roles of STEAP1 in liver cancer. STEAP1 expression was upregulated in tumor tissues, and high STEAP1 expression was associated with poor clinical outcomes in patients with liver cancer, according to several publicly available datasets. STEAP1 silencing using small interfering RNA inhibited cell proliferation and was accompanied by G1 arrest induced by the suppression of cyclin D1 and the promotion of p27. STEAP1 silencing suppressed c‑Myc expression, which was identified as a component in STEAP1 signal transduction by mining publicly available datasets and was then confirmed by PCR array. In conclusion, the knockdown of STEAP1 in liver cancer cell lines led to inhibition of cell proliferation involving G1 arrest by suppressing c‑Myc. The present study provides a preclinical concept for STEAP1 as a druggable target in liver cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Iijima K, Nakamura H, Takada K, Hayasaka N, Kubo T, Umeyama Y, Iyama S, Miyanishi K, Kobune M, Kato J, Kato J, et al: Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells. Oncol Lett 22: 546, 2021.
APA
Iijima, K., Nakamura, H., Takada, K., Hayasaka, N., Kubo, T., Umeyama, Y. ... Kato, J. (2021). Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells. Oncology Letters, 22, 546. https://doi.org/10.3892/ol.2021.12807
MLA
Iijima, K., Nakamura, H., Takada, K., Hayasaka, N., Kubo, T., Umeyama, Y., Iyama, S., Miyanishi, K., Kobune, M., Kato, J."Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells". Oncology Letters 22.1 (2021): 546.
Chicago
Iijima, K., Nakamura, H., Takada, K., Hayasaka, N., Kubo, T., Umeyama, Y., Iyama, S., Miyanishi, K., Kobune, M., Kato, J."Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells". Oncology Letters 22, no. 1 (2021): 546. https://doi.org/10.3892/ol.2021.12807
Copy and paste a formatted citation
x
Spandidos Publications style
Iijima K, Nakamura H, Takada K, Hayasaka N, Kubo T, Umeyama Y, Iyama S, Miyanishi K, Kobune M, Kato J, Kato J, et al: Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells. Oncol Lett 22: 546, 2021.
APA
Iijima, K., Nakamura, H., Takada, K., Hayasaka, N., Kubo, T., Umeyama, Y. ... Kato, J. (2021). Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells. Oncology Letters, 22, 546. https://doi.org/10.3892/ol.2021.12807
MLA
Iijima, K., Nakamura, H., Takada, K., Hayasaka, N., Kubo, T., Umeyama, Y., Iyama, S., Miyanishi, K., Kobune, M., Kato, J."Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells". Oncology Letters 22.1 (2021): 546.
Chicago
Iijima, K., Nakamura, H., Takada, K., Hayasaka, N., Kubo, T., Umeyama, Y., Iyama, S., Miyanishi, K., Kobune, M., Kato, J."Six-transmembrane epithelial antigen of the prostate 1 accelerates cell proliferation by targeting c-Myc in liver cancer cells". Oncology Letters 22, no. 1 (2021): 546. https://doi.org/10.3892/ol.2021.12807
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